package kr.hkit.powerjava.chapter20;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class ArraysEX {
	public static void main(String[] args) {
		ArrayList<Integer> arList = new ArrayList<>();
		for(int i=1; i< 11 ; i++){
		arList.add(i);
		}
		for (int a: arList){
			System.out.printf("%-3d",a);
		}
		System.out.println();
		for (int a: arList){
			System.out.printf("%3d",a);
		}
		
		int[] arr = new int [10];
		for(int i=10; i<10; i++){
			arr[i] = i+1;
		}
		System.out.println();
		List<Integer> list = Arrays.asList(1,2,3,4,5,6,7);
		for (int i=0; i<list.size(); i++){
			System.out.print(list.get(i));
		}
		System.out.println();
		//arr
		for (int a: arr){
			System.out.printf("%3d", a);
		}
		System.out.println();
		int idx= Arrays.binarySearch(arr, 11);
		System.out.println("11의 위치는 ?"+ idx);
	}
/*	boolean[] lotto = new boolean[45];
	Arrays.fill(lotto,true);
	for (boolean b : lotto){
		System.out.print(b+ " ");*/
	
	
	
}

